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author:

Ran, D. (Ran, D..) [1] | Shan, W.-J. (Shan, W.-J..) [2] | Shi, Z.-C. (Shi, Z.-C..) [3] | Yang, Z.-B. (Yang, Z.-B..) [4] | Song, J. (Song, J..) [5] | Xia, Y. (Xia, Y..) [6]

Indexed by:

Scopus

Abstract:

In this paper, we propose a scheme to generate highly entangled Dicke-state in circuit quantum electrodynamics (QED) system, where the quantum tunneling between local potential wells is manipulated by using Lyapunov control. We employ two different types of control Hamiltonians to generate Dicke-state: one is the local Hamiltonian that requires to individually modulate control fields; the other is the global Hamiltonian (global control) where the control fields can be modulated uniformly. Furthermore, the target Dicke-state can be obtained with arbitrary initial states when applying the average-value-based Lyapunov control. Numerical simulations demonstrate that the generation of Dicke-state is remarkably accelerated by using bang–bang Lyapunov control, and the multipartite Dicke-state is implemented at nanoseconds without accurately controlling the evolution time in ultrastrong coupling regime. In addition, the scheme is robust against some kinds of uncertainties and perturbations. © 2018 Elsevier Inc.

Keyword:

Circuit-QED; Dicke-state; Quantum control

Community:

  • [ 1 ] [Ran, D.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Ran, D.]Fujian Key Laboratory of Quantum Information and Quantum Optics (Fuzhou University), Fuzhou, 350116, China
  • [ 3 ] [Shan, W.-J.]School of General Education, Jiangxi Vocational College of Industry and Engineering, Pingxiang, 337055, China
  • [ 4 ] [Shi, Z.-C.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 5 ] [Shi, Z.-C.]Fujian Key Laboratory of Quantum Information and Quantum Optics (Fuzhou University), Fuzhou, 350116, China
  • [ 6 ] [Yang, Z.-B.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 7 ] [Yang, Z.-B.]Fujian Key Laboratory of Quantum Information and Quantum Optics (Fuzhou University), Fuzhou, 350116, China
  • [ 8 ] [Song, J.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
  • [ 9 ] [Xia, Y.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 10 ] [Xia, Y.]Fujian Key Laboratory of Quantum Information and Quantum Optics (Fuzhou University), Fuzhou, 350116, China

Reprint 's Address:

  • [Shi, Z.-C.]Department of Physics, Fuzhou UniversityChina

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Source :

Annals of Physics

ISSN: 0003-4916

Year: 2018

Volume: 396

Page: 44-55

2 . 2 6 7

JCR@2018

3 . 0 0 0

JCR@2023

ESI HC Threshold:158

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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